Home / 161,280.26-222,571.59-88,679.39

Finding the Fourth Proportional to 161,280.26, 222,571.59 and 88,679.39

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Solution

The fourth proportional to 161,280.26, 222,571.59 and 88,679.39 is: 122,380.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,280.26 : 222,571.59 = 88,679.39 : x
  2. Step 2: Convert to fraction form
    161,280.26/222,571.59 = 88,679.39/x
  3. Step 3: Cross multiply
    161,280.26x = 222,571.59 × 88,679.39
  4. Step 4: Simplify right side
    161,280.26x = 19,737,512,832.53
  5. Step 5: Solve for x
    x = 19,737,512,832.53/161,280.26
  6. Step 6: Final answer
    x = 122,380.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.